Device and method for controlling an automatic steering system of a vehicle, and device and method for checking the ability to implement a predefined setpoint travel direction variable for a vehicle

a technology of automatic steering and control method, which is applied in the direction of steering initiation, instruments, vessel construction, etc., can solve the problems of deviation of set steering angle from a predefined set steering wheel angle, mechanical misalignment of the chassis, and inability to accurately set the predefined set steering angle, so as to reduce the cost of eliminating deviation
US20110144865A1Active Publication Date: 2011-06-16ROBERT BOSCH GMBH
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
ROBERT BOSCH GMBH
Publication Date
2011-06-16

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Abstract

A device for controlling an automatic steering system of a vehicle includes a signal input (which receives a setpoint travel direction variable, a memory device on which a correction factor is stored, a control unit which ascertains a corrected setpoint travel direction variable on the basis of the correction factor and the predefined setpoint travel direction variable, and an evaluation device which compares an actual travel direction variable ascertained by a sensor of the vehicle to the predefined setpoint travel direction variable, and if the actual travel direction variable deviates from the predefined setpoint travel direction variable by at least a minimum difference, redefines the correction factor according to the comparison.
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Description

BACKGROUND OF THE INVENTION1. Field of the InventionThe present invention relates to a device and a method for controlling an automatic steering system of a vehicle and particularly relates to a device and a method for checking the ability to implement a predefined setpoint travel direction variable for a vehicle.2. Description of the Related ArtProviding vehicles with an automatic vehicle control system is known. An automatic lane departure warning system or a parking assistance system is an example of such an automatic vehicle control system. To assist the driver in parking in a parking space, the parking assistance system ascertains an advantageous parking trajectory, taking into account the dimensions of the parking space and a position of the vehicle in relation to the parking space. For example, the parking trajectory is made up of a consecutive series of linear segments, circular segments, and clothoids. Depending on the dimensions and the starting positions, the circular seg...

Claims

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